A type of FeatureDistributionSystem; in a given language, it is the system according to which feature values (of a particular feature) are determined for elements through agreement (i.e. where the form of the element is determined by the presence of another element). [Kibort 2008d]

This subsumes all structuring relations used for LinguisticDataStructures. As a naming convention to distinguish relations in data structure from other relations, all names of dataStructuringRelations begin with 'has-'.